/Engine/Source/Runtime/SessionServices/Public/ISessionInfo.h
Gets a read-only collection of all instances that belong to this session.
void GetInstances ( [TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ISessionInstanceInfo](API\Runtime\SessionServices\ISessionInstanceInfo) >> & OutInstances ) const